<template>
    <div>
        <span style="data_class">{{ nowDate }}</span>
    </div>
</template>

<script>
export default {
    name:"nowData",
    data(){
        return{
            nowDate:""
        }
    },
    created(){

    },
    mounted(){
        this.currentTime();
    },
    methods:{

        currentTime() {
            setInterval(this.formatDate, 0);
        },
        formatDate() {
            let date = new Date();
            let year = date.getFullYear(); // 年
            let month = date.getMonth() + 1; // 月
            let day = date.getDate(); // 日
            let week = date.getDay(); // 星期
            let weekArr = [ "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" ];
            let hour = date.getHours(); // 时
            hour = hour < 10 ? "0" + hour : hour; // 如果只有一位，则前面补零
            let minute = date.getMinutes(); // 分
            minute = minute < 10 ? "0" + minute : minute; // 如果只有一位，则前面补零
            let second = date.getSeconds(); // 秒
            second = second < 10 ? "0" + second : second; // 如果只有一位，则前面补零
            this.nowDate = `${year}/${month}/${day} ${hour}:${minute}:${second} ${weekArr[week]}`;
        }
    },
      // 销毁定时器

    beforeDestroy() {
        var _this = this;
        if (_this.formatDate) {
        clearInterval(_this.formatDate); // 在Vue实例销毁前，清除时间定时器
        }
    }
}
</script>

<style  >

</style>
